Tag Archives: USBhost-64

USB-Commander working with SDHost-64

As I am testing existing tools with my USBhost-64 low-cost replacement, SDHost-64, I thought to give USB-Commander a go too. Here’s the results:

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More testing of SDHost-64 with my Commodore 64

Here’s a video update showing SDHost-64 loading a larger binary file into my Commodore 64. Enjoy!

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Troubleshooting successful

After work today I was pondering again the presence of erroneous 0xFF values in the stream read by the Commodore 64 from my USBhost-64 replacement device. It turns out that I was quite right when I thought the erroneous reads … Continue reading

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Some more troubleshooting

As part of the troubleshooting process for my USBhost-64 replacement, I decided to take the Commodore 64 out of the equation and test again with my mock-up circuit. I could not reproduce the issue there, but I was able to … Continue reading

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Troubleshooting some data transfer over the User Port

I am in the process of troubleshooting the alteration of some data in my USBhost-64 replacement. I thought to share the details of the data alteration in the hope that it might ring some bells with others while I give … Continue reading

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Update on the replacement device for my USBhost-64 project

It was last August when I was getting back to the replacement device for my USBhost-64 project. At the time I was distracted by my work for the crack of Rubicon, for TAPClean, and for my IFFL code, among other things. … Continue reading

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Quite an update!

Back in January I was working at a replacement device for my USBhost-64 project, in order to be able to come up with something relatively inexpensive that would re-use the code I had written on the C64 side for interfacing … Continue reading

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All file system commands implemented in my USB host replacement

By dinner time today I implemented all file system commands that USB BASIC needs access to for read/write operations: the unit tests fired by my Commodore 64 mock-up device all passed 🙂 Here’s the debug log output on the USB host replacement’s console: opendir() = 0 … Continue reading

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A few more file system commands added to my USB host replacement

After work I wrote the code for a few additional file system commands in my USB host replacement project: file open, file read, file seek, file close. I also had to make a significant change to the command parser due to … Continue reading

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First file system command implemented in my USB host replacement

We spent the day in Oxford which was very nice, albeit quite cold. The result was a headache that required some rest and a warm green tea to recover from. After that I went on and implemented the first file system access … Continue reading

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